Preparation of activated carbon from agricultural wastes (almond shell and orange peel) for adsorption of 2-pic from aqueous solution

被引：60
作者：
Hashemian, Saeedeh [1 ]
Salari, Khatereh [1 ]
Yazdi, Zahra Atashi [1 ]
机构：
[1] Islamic Azad Univ, Dept Chem, Yazd, Iran
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2014年 / 20卷 / 04期
关键词：
Activated carbon; Adsorption; Almond shell; 2-Picoline; Orange peel; METHYLENE-BLUE; NANO-COMPOSITE; CONGO RED; ACID DYE; REMOVAL; CR(VI); BIOSORPTION; ADSORBENT; WATER; EQUILIBRIUM;
D O I：
10.1016/j.jiec.2013.09.009
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Activated carbon from agricultural waste almond shells (CAS) and orange peels (COP) was prepared. CAS and COP were characterized by FTIR, XRD and SEM. Adsorption of 2-pic by CAS and COP has been investigated. The kinetic of 2-pic was fitted well the pseudo-second-order kinetic model and rate constants of adsorption of 6.66 x 10(-4) and 2.51 x 10(-5) (g mg(-1) min(-1)) for CAS and COP, respectively. Results showed that Langmuir isotherm model is better fitted for adsorption data quite reasonably than Freundlich model (R-2 > 97). The maximum adsorption capacity from Langmuir equation was 166.7 mg g(-1), and 288.57 mg g(-1), for COP and CAS, respectively. (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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收藏
页码：1892 / 1900
页数：9
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